Ars Alchimia
Players: 2-4 players | Play Time: 100 min | Age: 10+
Designer: Kuro
Publisher Tasty Minstrel Games
This one does take a bit to get used to as do most worker placement games. The more workers that are on a spot the less efficient that spot becomes. So the challenge is planning your turn to get to those spots first.
Game or Developer Games - http://playtmg.com/ars-alchimia/
Board Game Geek - https://boardgamegeek.com/boardgame/160432/ars-alchimia